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-rw-r--r--gcc/fortran/ChangeLog7
-rw-r--r--gcc/fortran/decl.c2
-rw-r--r--gcc/fortran/parse.c5
3 files changed, 12 insertions, 2 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index f9425a9..78d687d 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,5 +1,12 @@
2011-04-26 Thomas Koenig <tkoenig@gcc.gnu.org>
+ * decl.c (gfc_match_end): Check that the block name starts
+ with "block@".
+ * parse.c (gfc_build_block_ns): Make block names unique by
+ numbering them.
+
+2011-04-26 Thomas Koenig <tkoenig@gcc.gnu.org>
+
* frontend-passes.c (inserted_block): New variable.
(changed_statement): Likewise.
(create_var): Encase statement to be operated on in a BLOCK.
diff --git a/gcc/fortran/decl.c b/gcc/fortran/decl.c
index 9efe01a..9901fb1 100644
--- a/gcc/fortran/decl.c
+++ b/gcc/fortran/decl.c
@@ -5746,7 +5746,7 @@ gfc_match_end (gfc_statement *st)
{
case COMP_ASSOCIATE:
case COMP_BLOCK:
- if (!strcmp (block_name, "block@"))
+ if (!strncmp (block_name, "block@", strlen("block@")))
block_name = NULL;
break;
diff --git a/gcc/fortran/parse.c b/gcc/fortran/parse.c
index 5d2237a..ff029bf 100644
--- a/gcc/fortran/parse.c
+++ b/gcc/fortran/parse.c
@@ -3135,6 +3135,7 @@ gfc_namespace*
gfc_build_block_ns (gfc_namespace *parent_ns)
{
gfc_namespace* my_ns;
+ static int numblock = 1;
my_ns = gfc_get_namespace (parent_ns, 1);
my_ns->construct_entities = 1;
@@ -3149,8 +3150,10 @@ gfc_build_block_ns (gfc_namespace *parent_ns)
else
{
gfc_try t;
+ char buffer[20]; /* Enough to hold "block@2147483648\n". */
- gfc_get_symbol ("block@", my_ns, &my_ns->proc_name);
+ snprintf(buffer, sizeof(buffer), "block@%d", numblock++);
+ gfc_get_symbol (buffer, my_ns, &my_ns->proc_name);
t = gfc_add_flavor (&my_ns->proc_name->attr, FL_LABEL,
my_ns->proc_name->name, NULL);
gcc_assert (t == SUCCESS);